[5] He scored two goals in the second Test at Croke Park and won the man of the match award, as Ireland romped to a record-breaking victory.
During a club match with Clontibret O'Neills in Spring 2014, he suffered a knee injury that kept him out until the Ulster Football Championship Quarter Final against Tyrone.
[8] McManus enjoyed what many believe to have been his finest hour in the 2015 Ulster Final when, despite being marked tightly by the Donegal defence, he managed to score six points in an 0-11 to 0-10 win for the Farney Men.
McManus also scored 0-12 in a 1-14 to 0-16 loss to All-Ireland champions Dublin in the National League Division 1 on 27 February 2016 in what was regarded by many pundits as one of the greatest individual performances seen in Croke Park in a long time.
[citation needed] Selected for Ireland in the 2014 International Rules Test, McManus won the GAA Medal as the Irish player of the series in a team which was defeated by 10 points against Australia.